//go:build ignore// +build ignore // Copyright (c) 2015-2022 MinIO, Inc.//// This file is part of MinIO Object Storage stack//// This program is free software: you can redistribute it and/or modify// it under the terms of the GNU Affero General Public License as published by// the Free Software Foundation, either version 3 of the License, or// (at your option) any later version.//// This program is distributed in the hope that it will be useful// but WITHOUT ANY WARRANTY; without even the implied warranty of// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the// GNU Affero General Public License for more details.//// You should have received a copy of the GNU Affero General Public License// along with this program.  If not, see <http://www.gnu.org/licenses/>. package main import (	"encoding/json"	"fmt"	"io/ioutil"	"log"	"net/http"	"strings") func writeErrorResponse(w http.ResponseWriter, err error) {	w.WriteHeader(http.StatusBadRequest)	json.NewEncoder(w).Encode(map[string]string{		"error": fmt.Sprintf("%v", err),	})} type Result struct {	Result bool `json:"result"`} func mainHandler(w http.ResponseWriter, r *http.Request) {	body, err := ioutil.ReadAll(r.Body)	if err != nil {		writeErrorResponse(w, err)		return	} 	reqMap := make(map[string]interface{})	err = json.Unmarshal(body, &reqMap)	if err != nil {		writeErrorResponse(w, err)		return	} 	// fmt.Printf("request: %#v\n", reqMap) 	m := reqMap["input"].(map[string]interface{})	accountValue := m["account"].(string)	actionValue := m["action"].(string) 	// Allow user `minio` to perform any action.	var res Result	if accountValue == "minio" {		res.Result = true	} else {		// All other users may not perform any `s3:Put*` operations.		res.Result = true		if strings.HasPrefix(actionValue, "s3:Put") {			res.Result = false		}	}	fmt.Printf("account: %v | action: %v | allowed: %v\n", accountValue, actionValue, res.Result)	json.NewEncoder(w).Encode(res)	return} func main() {	http.HandleFunc("/", mainHandler) 	log.Print("Listening on :8080")	log.Fatal(http.ListenAndServe(":8080", nil))}